Spectra Shield

{{Short description|Composite material used in bulletproof vests and vehicle armour}}Spectra Shield is a composite material (specifically, an ultra-high-molecular-weight polyethylene (UHMWPE) fiber) used in bulletproof vests and vehicle armour. It is manufactured by Honeywell. Spectra is a fiber offered by Honeywell, and "Shield" is their patented process for using resin{{Cite web |title=Spectra Shield® |url=https://advancedmaterials.honeywell.com/us/en/brands/spectra-shield |access-date=2024-12-11 |website=advancedmaterials.honeywell.com |language=en-US}} and a "plastic film"{{Cite web |title=goldflex |url=https://drmorgear.wordpress.com/tag/goldflex/ |access-date=2024-12-11 |website=d-rmor gear |language=en}} to bind multiple overlapping layers of Spectra, without having to have them be woven together.

Other popular fibers with similar uses are aramid (Kevlar or Twaron) and Dyneema (another UHMWPE).